Finding the Fourth Proportional to 2,889,628.84, 3,987,752.23 and 1,649,214.29
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Solution
The fourth proportional to 2,889,628.84, 3,987,752.23 and 1,649,214.29 is: 2,275,952.49
Step by Step Solution
- Step 1: Write the proportion equation
2,889,628.84 : 3,987,752.23 = 1,649,214.29 : x - Step 2: Convert to fraction form
2,889,628.84/3,987,752.23 = 1,649,214.29/x - Step 3: Cross multiply
2,889,628.84x = 3,987,752.23 × 1,649,214.29 - Step 4: Simplify right side
2,889,628.84x = 6,576,657,962,695.37 - Step 5: Solve for x
x = 6,576,657,962,695.37/2,889,628.84 - Step 6: Final answer
x = 2,275,952.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.